Grace M. Piotrowski nee Prendergast, 90, beloved wife of the late Melvin M Piotrowski; dear mother of Jean (Andre’) Conaway, Mark (Deb) Piotrowski and Marybeth (Hugh) Coonrod; loving grandmother of Taylor Piotrowski, Stewart and Nora Coonrod; dear aunt to many and friend to all. Visitation on Sunday, February 9, 2014, from 3:30 to 7:30pm at Mount Auburn Funeral Home, 4101 South Oak Park Avenue, Stickney. Funeral mass services on Monday 9:30am at St. Pius X Church; Stickney. Interment Queen of Heaven Cemetery. In lieu of flowers, donations to Catholic Charities